Finding the Fourth Proportional to 126,699.48, 189,917.99 and 104,277.26
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Solution
The fourth proportional to 126,699.48, 189,917.99 and 104,277.26 is: 156,307.88
Step by Step Solution
- Step 1: Write the proportion equation
126,699.48 : 189,917.99 = 104,277.26 : x - Step 2: Convert to fraction form
126,699.48/189,917.99 = 104,277.26/x - Step 3: Cross multiply
126,699.48x = 189,917.99 × 104,277.26 - Step 4: Simplify right side
126,699.48x = 19,804,127,621.91 - Step 5: Solve for x
x = 19,804,127,621.91/126,699.48 - Step 6: Final answer
x = 156,307.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.